Longwindedly is an adverb that describes someone who speaks or writes excessively and is difficult to listen to or read. Synonyms for longwindedly include verbosely, prolixly, tediously, wordily, loquaciously, garrulously, and windily. Verbosely implies a use of many words, often without providing clear information. Prolixly refers to a long-winded style that lacks conciseness. Tediously describes a writing style that is laborious and tedious to read. Wordily refers to a style that uses an excessive number of words and can be hard to understand. Loquaciously describes an excessive use of words, while garrulously refers to a talkative nature that can be tiresome. Finally, Windily implies a time-consuming and lengthy speech that lacks substance.